Anhydrite characteristics Used as Construction Materials

Abstract

The anhydrock samples were collected from Nakhonsri Thammarat and Surat Thani provinces. The experimental investigation was carried out in basic characteristic of aggregate, 0.38 – 0.39% porosity, 0.13 – 0.14% of water absorption and 2.87 dried specific gravity.

The aggregate properties composed 39.30 – 41.63% of wear, 0.25 – 0.27 uniformity factor, 4.34 – 4.80 MPa point load strength, 98.2 – 98.3% retained of the second durability cycle, 11.62 – 14.41% soundness values and 31.24 – 35.31% impact values.

Therefore, the anhydrite does not appropriate neither structural construction nor bases or subases for highways or airports but it is also available for concrete aggregate.